Deserialization in Apache Bookkeeper

CVE-2019-17571

Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network…

Vulnerability class: Insecure Deserialization

EPSS: 0.285 (96.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-17571?
CVE-2019-17571 is a critical-severity vulnerability in Apache Bookkeeper, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2019-12-20.
How severe is CVE-2019-17571?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-17571 known to be exploited?
81 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.